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Water system · PWSID IA9176019

SAINT MARYS WATER CORPORATION

SAINT CHARLES, IA · ~121 people served

Check your exact address → SAINT CHARLES overview
100
Excellent
PurityRadar safety score

PWSID

IA9176019

State

Iowa

City

SAINT CHARLES

Population served

121

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

25

Violations on record

0

Unaddressed

13

Health-based

111

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2019. Official EPA record →

Monitoring · Lead & Copper Rule began Dec 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2006 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2005 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2005 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2005 Resolved
Monitoring & reporting · Total coliform began Jan 2000 Resolved
Other · EPA contaminant 7000 began Oct 1999 Resolved
Monitoring & reporting · Total coliform began Dec 1997 Resolved
Monitoring & reporting · Total coliform began Mar 1997 Resolved
Monitoring & reporting · Total coliform began Sep 1996 Resolved
Max contaminant level (MCL) · Nitrate health-based began Oct 1995 Resolved

Recent enforcement actions

  • State action · SIF May 2019
  • State action · SOX Jan 2019
  • State action · SOX Jan 2019
  • State action · SIE Jan 2019
  • State action · SFJ Jan 2019
  • State action · SOX Mar 2009
  • State action · SIF May 2008
  • State action · SIE Apr 2008

This profile is built from EPA public records for system IA9176019 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.